brand-new video into the newsroom from the university of southern california, after a shooting there overnight. we spoke with usc police a short time ago. two people are in custody. this started with a fight at a halloween party between two men who are not students. one of them pulled out a gun and shot the other who's now in critical condition. three others are hurt but are expected to be okay. >>> and this video has also just come into our newsroom. a fuel tanker explosion in saudi arabia has killed 14 people and hurt at least 60. the truck exploded after hitting an underpass. the death toll could rise as rescue crews pick through charred vehicles and rubble. amazing video there. >>> for the first time since sandy hit, new york city is opening its subway system with limited service. sandy flooded several tunnels. andrew cuomo declared a transportation emergency. what does the declaration mean for new yorkers, especially those trying to get around this morning? >> reporter: well, it's going to mean limited service, but at least some service, which is a good thing. where we're standi